Shield main drive planetary reducer test platform

Abstract

The utility model discloses a shield main drive planetary reducer test platform, which relates to the field of shield construction mechanical equipment and comprises a bottom plate, a slide rail and a to-be-tested piece support assembly are mounted on the bottom plate, and the to-be-tested piece support assembly is positioned at the terminal of the slide rail. A detachable planetary reducer is installed on the to-be-tested piece support assembly, a screw lifting frame assembly for supporting the planetary reducer is connected to the sliding rail in a sliding mode, a driving testing frame assembly is further connected to the sliding rail in a sliding mode, and a driving motor and a torque rotating speed sensor are installed on the driving testing frame assembly. An output shaft of the driving motor is connected with the input end of the torque and rotating speed sensor through a coupler, the output end of the torque and rotating speed sensor is connected with a spline shaft through a coupler, and the spline shaft is in threaded connection with the planetary reducer. According to the utility model, the problem that the universality of the existing support frame for testing the planetary reducer is not high is solved.

Description

Technical Field

[0001] This utility model relates to the field of tunnel boring machine (TBM) construction machinery and equipment, and in particular to a test platform for a TBM main drive planetary reducer. Background Technology

[0002] When testing the performance parameters of a planetary gearbox, a support frame needs to be designed and manufactured. A drive motor mounted on the support frame rotates the planetary gearbox to complete the parameter testing. However, different models of planetary gearboxes have different dimensions, resulting in limited versatility of existing support frames. Therefore, different support frames need to be designed and manufactured for different models of planetary gearboxes.

[0003] Therefore, how to provide a universal and high-performance test platform for the main drive planetary reducer of tunnel boring machines, enabling the testing of various types of planetary reducers, has become a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a test platform for the main drive planetary reducer of a tunnel boring machine, thereby solving the problem of low versatility of existing planetary reducer test support frames.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] This utility model provides a test platform for a shield tunneling main drive planetary reducer, including a base plate. A slide rail and a test piece support assembly are mounted on the base plate. The test piece support assembly is located at the end of the slide rail. A detachable planetary reducer is mounted on the test piece support assembly. A screw lifting frame assembly supporting the planetary reducer is slidably connected to the slide rail. A drive test frame assembly is also slidably connected to the slide rail. A drive motor and a torque-speed sensor are mounted on the drive test frame assembly. The output shaft of the drive motor is connected to the input end of the torque-speed sensor via a coupling. The output end of the torque-speed sensor is connected to a splined shaft via a coupling. The splined shaft is threadedly connected to the planetary reducer.

[0007] Optionally, two slide rails are arranged in parallel, and two rows of positioning holes are provided on the base plate. The two rows of positioning holes are located on the outer side of the two slide rails, and multiple support feet are symmetrically arranged on the bottom of the base plate.

[0008] Optionally, the test piece support assembly includes a first support and a transition plate. The first support includes a horizontal plate and a vertical plate perpendicular to the horizontal plate. A reinforcing rib is installed between the horizontal plate and the vertical plate. The horizontal plate of the first support is mounted on the base plate. The transition plate is detachably mounted at the center of the vertical plate of the first support. The transition plate has multiple threaded holes arranged from the inside to the outside for mounting the planetary reducer.

[0009] Optionally, the screw lifting frame assembly includes a first slide plate, a screw lifting platform and a top plate. The first slide plate is symmetrically provided with multiple sets of first slider mounting holes. A slider corresponding to the slide rail is installed in the first slider mounting hole. Parallel first elongated holes are symmetrically opened on both sides of the first slide plate. The first elongated holes are located directly above the positioning holes. A perforated pad for positioning the first slide plate is provided below the first elongated holes.

[0010] The screw lifting platform is installed at the top center of the first slide plate. The screw lifting platform is I-shaped. A vertically arranged square tube on the screw lifting platform has an internal thread. A screw is connected to the internal thread of the square tube. The top plate is installed at the top of the screw. A locking nut is threaded onto the screw. The top plate abuts against the side wall of the planetary reducer. The top surface of the top plate has an arc that matches the side wall of the planetary reducer.

[0011] Optionally, the drive test frame assembly includes a second slide plate, a second bracket, and a third bracket. The second slide plate is provided with multiple sets of second slider mounting holes. A slider corresponding to the slide rail is installed in the second slider mounting holes. Parallel second elongated holes are symmetrically opened on both sides of the second slide plate. The second elongated holes are located directly above the positioning holes. A perforated pad for positioning the second slide plate is provided below the second elongated holes.

[0012] The second bracket is detachably mounted on the top of the second slide plate, the third bracket is detachably mounted on the top of the second bracket, the drive motor is mounted on the second bracket, and the torque and speed sensor is mounted on the third bracket.

[0013] Optionally, multiple first height adjustment pads are symmetrically installed at the top rear end of the second bracket, and a second height adjustment pad is installed at the top front end of the second bracket. The drive motor is installed on the first height adjustment pad, and the third bracket is installed on the second height adjustment pad.

[0014] Optionally, the third bracket includes a horizontally arranged first support plate and a second support plate. The first support plate is mounted above the second support plate via vertically arranged ribs. The second support plate is mounted on the second height adjustment pad. The torque and speed sensor is mounted on the first support plate.

[0015] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0016] The drive motor of this invention can slide along the guide rail to change the installation position. By selecting first and second height adjustment pads of different sizes, the installation height of the drive motor and torque speed sensor can be adjusted, which can adapt to the testing and installation requirements of different planetary reducers under test. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the test platform structure for the shield tunnel main drive planetary reducer of this utility model;

[0019] Figure 2 This is a front view of the test platform for the main drive planetary reducer of the tunnel boring machine according to this utility model;

[0020] Figure 3 This is a side view of the test platform for the main drive planetary reducer of the tunnel boring machine according to this utility model;

[0021] Figure 4 This is a cross-sectional view of the test platform for the main drive planetary reducer of the tunnel boring machine according to this utility model;

[0022] Figure 5 This is a bottom view of the base plate of this utility model;

[0023] Figure 6 This is a front view of the first skateboard of this utility model;

[0024] Figure 7 This is a top view of the screw lifting platform of this utility model;

[0025] Figure 8 This is a side view of the screw lifting platform of this utility model;

[0026] Figure 9 This is a front view of the second sliding plate of this utility model;

[0027] Figure 10 This is a front view of the second bracket of this utility model;

[0028] Figure 11 This is a side view of the second bracket of this utility model;

[0029] Figure 12This is a top view of the second support of this utility model;

[0030] Figure 13 This is a front view of the first bracket of this utility model;

[0031] Figure 14 This is a side view of the first bracket of this utility model;

[0032] Figure 15 This is a top view of the first bracket of this utility model;

[0033] Figure 16 This is a front view of the transition plate of this utility model;

[0034] Figure 17 This is a front view of the top plate of this utility model;

[0035] Figure 18 This is a side view of the top plate of this utility model;

[0036] Figure 19 This is a front view of the third bracket of this utility model;

[0037] Figure 20 This is a top view of the third support of this utility model;

[0038] Figure 21 This is a top view of the perforated pad of this utility model;

[0039] Figure 22 This is a cross-sectional view of the perforated pad of this utility model.

[0040] Explanation of reference numerals in the attached drawings: 1. Base plate; 2. Slide rail; 3. Test piece support assembly; 4. Screw lifting frame assembly; 5. Drive test frame assembly; 6. Perforated pad;

[0041] 11. Positioning hole; 12. Support leg;

[0042] 31. First support; 32. Transition plate; 33. Reinforcing rib;

[0043] 41. First slide plate; 42. Screw lifting platform; 43. Top plate;

[0044] 411. First slider mounting hole; 412. First elongated hole; 421. Square tube;

[0045] 51. Second skateboard; 52. Second support; 53. Third support;

[0046] 511. Second slider mounting hole; 512. Second oblong hole; 521. First height adjustment pad; 522. Second height adjustment pad; 531. First support plate; 532. Second support plate. Detailed Implementation

[0047] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0048] like Figure 1-22 As shown, a test platform for a shield tunneling main drive planetary reducer includes a base plate 1. A slide rail 2 and a test piece support assembly 3 are mounted on the base plate 1. The test piece support assembly 3 is located at the end of the slide rail 2. A detachable planetary reducer is mounted on the test piece support assembly 3. A screw lifting frame assembly 4, which supports the planetary reducer, is slidably connected to the slide rail 2. A drive test frame assembly 5 is also slidably connected to the slide rail 2. A drive motor and a torque-speed sensor are mounted on the drive test frame assembly 5. The output shaft of the drive motor is connected to the input end of the torque-speed sensor via a coupling. The output end of the torque-speed sensor is connected to a splined shaft via a coupling. The splined shaft is threadedly connected to the planetary reducer.

[0049] The base plate 1 is made of carbon steel. The drive motor is an AC asynchronous motor with a rated power of 30kW, a rated torque of 191Nm, and a maximum speed of 3000r / min.

[0050] The drive motor is driven by a drive frequency converter, wherein the drive frequency converter has a power of 30kW and has a dial control function for convenient speed adjustment and testing.

[0051] The torque and speed sensor is of type YZJ, which displays the output torque, speed and power of the measured component, and communicates with the computer via TCP / IP. The maximum torque is 200 Nm and the maximum speed is 3000 r / min.

[0052] Temperature measuring instruments are installed around the base plate 1. The temperature measuring instruments are selected from the TES series and equipped with a 3.5-inch TFT true color LCD screen to intuitively display the measurement parameters and working status. The temperature measurement range is -50℃ to 200℃, the measurement accuracy is 0.2℃, and the measurement cycle is 1 second.

[0053] Specifically, there are two parallel slide rails 2, and two rows of parallel positioning holes 11 are provided on the base plate 1. The two rows of positioning holes 11 are located on the outside of the two slide rails 2, and multiple support legs 12 are symmetrically arranged at the bottom of the base plate 1.

[0054] Specifically, the test piece support assembly 3 includes a first support 31 and a transition plate 32. The first support 31 includes a horizontal plate and a vertical plate perpendicular to the horizontal plate. A reinforcing rib 33 is installed between the horizontal plate and the vertical plate. The horizontal plate of the first support 31 is mounted on the base plate 1. The transition plate 32 is detachably mounted at the center of the vertical plate of the first support 31. The transition plate 32 has multiple threaded holes arranged from the inside to the outside for mounting the planetary reducer.

[0055] Specifically, the screw lifting frame assembly 4 includes a first slide plate 41, a screw lifting platform 42, and a top plate 43. The first slide plate 41 is symmetrically provided with multiple sets of first slider mounting holes 411. A slider corresponding to the slide rail 2 is installed in the first slider mounting hole 411. The two sides of the first slide plate 41 are symmetrically provided with parallel first elongated holes 412. The first elongated holes 412 are located directly above the positioning hole 11. A perforated pad 6 for positioning the first slide plate 41 is provided below the first elongated holes 412.

[0056] The screw lifting platform 42 is installed at the top center of the first slide plate 41. The screw lifting platform 42 is I-shaped. A square tube 421 vertically arranged on the screw lifting platform 42 has an internal thread. A screw is connected to the internal thread of the square tube 421. The top plate 43 is installed at the top of the screw. A locking nut is threaded on the screw. The top plate 43 abuts against the side wall of the planetary reducer. The top surface of the top plate 43 has an arc that matches the side wall of the planetary reducer.

[0057] Specifically, the drive test frame assembly 5 includes a second slide plate 51, a second bracket 52, and a third bracket 53. The second slide plate 51 is provided with multiple sets of second slider mounting holes 511. Sliders corresponding to the slide rail 2 are installed on the second slider mounting holes 511. Parallel second elongated holes 512 are symmetrically arranged on both sides of the second slide plate 51. The second elongated holes 512 are located directly above the positioning holes 11. A perforated pad 6 for positioning the second slide plate 51 is provided below the second elongated holes 512.

[0058] The second bracket 52 is detachably mounted on the top of the second slide plate 51, the third bracket 53 is detachably mounted on the top of the second bracket 52, the drive motor is mounted on the second bracket 52, and the torque and speed sensor is mounted on the third bracket 53.

[0059] Specifically, multiple first height adjustment pads 521 are symmetrically installed at the top rear end of the second bracket 52, and a second height adjustment pad 522 is installed at the top front end of the second bracket 52. The drive motor is installed on the first height adjustment pads 521, and the third bracket 53 is installed on the second height adjustment pads 522.

[0060] The first height adjustment pad 521 and the second height adjustment pad 522 are available in various specifications.

[0061] Specifically, the third bracket 53 includes a horizontally arranged first support plate 531 and a second support plate 532. The first support plate 531 is mounted above the second support plate 532 by a vertically arranged rib. The second support plate 532 is mounted on the second height adjustment pad 522. The torque and speed sensor is mounted on the first support plate 531.

[0062] The drive motor of this invention can slide along the guide rail 2 to change the installation position. By selecting a first height adjustment pad 521 and a second height adjustment pad 522 of different sizes, the installation height of the drive motor and the torque and speed sensor can be adjusted, which can adapt to the testing and installation requirements of different planetary reducers under test.

[0063] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0064] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A test platform for a shield tunneling main drive planetary reducer, characterized in that: The system includes a base plate (1), on which a slide rail (2) and a test piece support assembly (3) are mounted. The test piece support assembly (3) is located at the end of the slide rail (2). A detachable planetary reducer is mounted on the test piece support assembly (3). A screw lifting frame assembly (4) supporting the planetary reducer is slidably connected to the slide rail (2). A drive test frame assembly (5) is also slidably connected to the slide rail (2). A drive motor and a torque-speed sensor are mounted on the drive test frame assembly (5). The output shaft of the drive motor is connected to the input end of the torque-speed sensor via a coupling. The output end of the torque-speed sensor is connected to a splined shaft via a coupling. The splined shaft is threaded onto the planetary reducer.

2. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 1, characterized in that: Two slide rails (2) are arranged in parallel. Two rows of positioning holes (11) are provided on the base plate (1). The two rows of positioning holes (11) are located on the outside of the two slide rails (2). Multiple support feet (12) are symmetrically arranged at the bottom of the base plate (1).

3. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 1, characterized in that: The test piece support assembly (3) includes a first support (31) and a transition plate (32). The first support (31) includes a horizontal plate and a vertical plate perpendicular to the horizontal plate. A reinforcing rib (33) is installed between the horizontal plate and the vertical plate. The horizontal plate of the first support (31) is mounted on the base plate (1). The transition plate (32) is detachably mounted at the center of the vertical plate of the first support (31). The transition plate (32) has multiple threaded holes for mounting the planetary reducer, arranged from the inside to the outside.

4. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 2, characterized in that: The screw lifting frame assembly (4) includes a first slide plate (41), a screw lifting platform (42) and a top plate (43). The first slide plate (41) is symmetrically provided with multiple sets of first slider mounting holes (411). The first slider mounting holes (411) are equipped with sliders corresponding to the slide rail (2). The two sides of the first slide plate (41) are symmetrically provided with parallel first elongated holes (412). The first elongated holes (412) are located directly above the positioning hole (11). The perforated pad (6) for positioning the first slide plate (41) is provided below the first elongated holes (412). The screw lifting platform (42) is installed at the top center of the first slide plate (41). The screw lifting platform (42) is I-shaped. The square tube (421) vertically arranged on the screw lifting platform (42) has an internal thread. The square tube (421) is connected to the screw rod through the internal thread. The top plate (43) is installed at the top of the screw rod. The screw rod is connected to the locking nut through the thread. The top plate (43) abuts against the side wall of the planetary reducer. The top surface of the top plate (43) has an arc that matches the side wall of the planetary reducer.

5. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 2, characterized in that: The drive test frame assembly (5) includes a second slide plate (51), a second bracket (52) and a third bracket (53). The second slide plate (51) is provided with multiple sets of second slider mounting holes (511). The second slider mounting holes (511) are equipped with sliders corresponding to the slide rail (2). The two sides of the second slide plate (51) are symmetrically provided with parallel second elongated holes (512). The second elongated holes (512) are located directly above the positioning hole (11). The perforated pad (6) for positioning the second slide plate (51) is provided below the second elongated holes (512). The second bracket (52) is detachably mounted on the top of the second slide plate (51), the third bracket (53) is detachably mounted on the top of the second bracket (52), the drive motor is mounted on the second bracket (52), and the torque and speed sensor is mounted on the third bracket (53).

6. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 5, characterized in that: The second bracket (52) has multiple first height adjustment pads (521) symmetrically installed at the top rear end, and a second height adjustment pad (522) installed at the top front end. The drive motor is installed on the first height adjustment pad (521), and the third bracket (53) is installed on the second height adjustment pad (522).

7. The test platform for the main drive planetary reducer of the tunnel boring machine according to claim 6, characterized in that: The third bracket (53) includes a horizontally arranged first support plate (531) and a second support plate (532). The first support plate (531) is mounted above the second support plate (532) by a vertically arranged rib. The second support plate (532) is mounted on the second height adjustment pad (522). The torque speed sensor is mounted on the first support plate (531).

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